From 92bb833e39feea79827946e1ecbaa7e6dee73fbf Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Mon, 21 Sep 2015 15:33:37 +0200 Subject: [PATCH] staging: lustre: fix handling lustre_posix_acl_xattr_filter result The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/llite/xattr.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 362a87d..dddc1ff 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -175,11 +175,12 @@ int ll_setxattr_common(struct inode *inode, const char *name, } ee_free(ee); } else if (rce->rce_ops == RMT_RSETFACL) { - size = lustre_posix_acl_xattr_filter( + rc = lustre_posix_acl_xattr_filter( (posix_acl_xattr_header *)value, size, &new_value); - if (unlikely(size < 0)) - return size; + if (unlikely(rc < 0)) + return rc; + size = rc; pv = (const char *)new_value; } else -- 2.7.4